2GCY

humanized antibody C25 Fab fragment

• PDB DOI: https://doi.org/10.2210/pdb2GCY/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Mus musculus
• Expression System: Cricetulus griseus
• Mutation(s): No 


• Deposited: 2006-03-14 Released: 2007-03-27 
• Deposition Author(s): LaPorte, S.L., Finer-Moore, J., Marks, J.D., Forsyth, C.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.232 
• R-Value Work: 0.225 
• R-Value Observed: 0.225 

Literature

Humanization and structure of antibody clone C25

LaPorte, S.L., Finer-Moore, J., Marks, J.D., Forsyth, C.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 47.54 kDa 
• Atom Count: 3,450 
• Modelled Residue Count: 434 
• Deposited Residue Count: 434 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
huC25 fab fragment light chain	A	216	Mus musculus	Mutation(s): 0  Gene Names: humanized mouse gene

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
huC25 fab fragment heavy chain	B	218	Mus musculus	Mutation(s): 0  Gene Names: humanized mouse gene

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A], E [auth A], F [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.232 
• R-Value Work: 0.225 
• R-Value Observed: 0.225 
• Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 90.26	α = 90
b = 90.26	β = 90
c = 217.3	γ = 120

Software Package:

Software Name	Purpose
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-03-27 
Deposition Author(s): LaPorte, S.L., Finer-Moore, J., Marks, J.D., Forsyth, C.M.

Revision History  

• Version 1.0: 2007-03-27
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-10-16
  Changes: Data collection, Database references, Derived calculations, Structure summary